Carbureter-heater.



R; s. nu Bols. CARBURETER HEATER.

APPLICATION FILED MMLZO. i916.

Patented July 4, 1916.

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` ArronNEy UNITED STATES PATENT onirica.'

REGINALD s. DU 301s, or EAST onNGn, NEW JERSEY.-

CRBUR-ETEB-HEATER.

Application filed March 20, 1916.A Serial No. 85,288.

State of New JerseyJ have invented certain new yand useful Improvements in CarbureterlHeaters, of which the following is a specification. A

This invention relates to means for heatiptigarbureters for gas motors. l y,.ljeretcfu: carbureters have been heatedy iii Various 'ways in order to vaporize the liquid fuel; such as gasolene, beforethe lat# ter enters the cylinders ofthe engine Whereby quicker and more complete combustion is obtained. The most common Way is to put a water jacketV around the carbureter and connect it with a by-pass leading from the Water jacket of the motor; and it isyin connection with 'such a system that my invention herein is illustrated. Inasmuch/ as the 'cooling Water does notget heated until the motor runs` the operation of starting often becomes diilicult in cold "weather, and the pre-heating of the carbureter is very desirable for saving/time and fuel.V To accent plish such preliminary heating I provide a supplemental hot water filling device adapted to be operated manually and having the latter is connected with radiator 3 by upper.

- and lower circulation pipes 4 and 5 and a.

ny-pass around the carbureter 6.' Said bypass comprises an upper horizontal pipe 7 and a lower vertical short pipe 8 which are i commanded by valves 9 and 10 respectively,V

and it also includes Water jackets 11 and i2 around the manifold 13 and carbureter 6 respectively, These water jackets are joined together by bolted flanges 14a all being arranged so that the water will ilow around the manifold and carbureter through channel l and thus heat and vaporize the ga so-V lene 16 within the chamber Ga of the carbuf reter. The water 28 when heated byA the enf` gine l flows through` radiator 3, thence d" Shen-lenire del tha @fard specification of Letters Parent.

Patented July 4, 1916.

radiator and on to the right through-pipe i 5 back to theengine, part of the waterbeing diverted around the4 carbureter and -manifold as previously stated.

organism are Aold and Well-known in the' art no further description 1s necessary.

My pre-heating mechanismconsists of supplemental water filling pipe 20' Which is hood whichl often lies in close proximity Y to'the top of the engine.

Thevalve 9 is located for convenience slightly to the .left of theintersecting end 19 Where the lower part of the -flling pipe connects, in order to intercept and prevent ,the ingoing hot water 27 from flowing to This filling pipe As the general features of the' foregoing the left through the bypass pipe 7 during Y the filling operation. I

The operation of my device will now be 'i described. The valve 23 in the top of lllingl pipe 20 is first1 opened to, admit hot Water and the by-pass valve 9-closed. v.The valve 10 below the carbureter should be left open.

lf hot water is now manually poured into the f unnel 22 of the filling pipe 20 it will gravltate into the jacket of the manifold and carbureter because itenters ata point above the waterlevel and forcesthe -cold waterahead and outof the manifold andcarburetor Water jackets'll and 412, and

takes its place. to heat the, gasolene.y The cold Water passesout through lowerpipe 8 into pipe 5 of the main system. he small amount of hot Water required `to lill Ythe water jackets l1 and 12,'wlen added to that already in the system, is insufficient to cause flooding yet ample to produce enough heat to freely vaporize the .gasolene' in the carbureter', also the manifold. After the filling operation over and the motor going satisfactorily, the valve 23 at the top of the filling pipe slwuld be closed shown in dotted lines, and the intercepting valve 9 opened towed tg take place1 ,ipractisi g thevinvention I have found.

We engine 'irn lstarted., almost stantly in the coldest Weather, with a small quantity of hot water, and that none ofthe antifreezing mixture already in the Water jacket need be drawn ofi' to make room for the small amount of hot water required to fill the jackets of the manifold and carbureter.- v

It is apparent that the foregoing construction might be "varied in many ways that Wfwld suggest themselves lto a skilled mechanic, therefore I donot limit myself to the exact construction herein described bui consider myself entitled to all variations that come within the spirit and scope of :n v invention.

Having thus described the preferred form of my ideas, .what .I claim as new and desire to secu're by Letters Patent is:

l. In a carbureter heater and in combinaf tion with the Water cooling system of a gas motor, a Water jacketed carbureter, aV filling pipe having its receivingend located above the water level of the Water in said system,

fand'means for preventing the vdiversion of the ingoing Water to the main reaching-the carbureter.

2. A- Waterjaeketed carbureter connected with the usual Water system of a gas motor, in combination Witha Supplemental filling system before pipe having its receiving end located above the waterA level in said system, and an intercepting valve for shutting off the cold water from the-main system to the carbureter du ring the filling operation.

3. A Water-jacketed ca-rbureter having a supplemental water filling-pipe and means for cutting ofi' communication between the cold water vfrom the main system and filling pipe, said filling pipe rising to a point above the water level of the main system whereby hot water, when poured into the filling pipe, will drive the cold water ahead of it and take its place around the carbureter to `vaporize the gasolene therein.

4. A water-jacketed carbureter having the usual intake'and outlet water pipes, in

combination with a supplemental u'ater'filling pipe in Water communication with the water jacket, said filling pipe having a receiving end rising to a 'point at or above the water level of thegnain water system and an intercepting valve for cutting off the flow to thev main 'systein' during the` filling operation throughthe`supplemental pipe.

into said pipe, it will be absorbed` by that of the main system after having passed through the Water jacket of the carbur'eter. Signed at East Orange in the county of Essex and State of New Jersey this 7th day ofv March A. D.v 19.16.

REGINALD S. DU BOIS.

lVitnesses:

han S. DU Bois, B. G. D Bois. 

